Android 4.1.1 XXDLI6 - for the international version of the Samsung Galaxy S3 (model number i9300) is available. This is reportedly a test firmware by the manufacturers and for selected beta tests for the smartphone's forthcoming Android 4.1. Jelly Bean update; the South Koreans have confirmed an October rollout. Key features include TouchWiz integration, security updates, better hardware acceleration and pixel density, customised caller screens and a fix for the battery issue.

Users looking to install this firmware may follow below instructions. IBTimes UK warns readers it will not be held responsible for damage to the device while installing firmware. Users are advised to install USB drivers for the Galaxy S3 and also enable USB debugging mode. Ensure the device is factory unlocked and the battery carries more than 80 percent charge. Finally, ensure all important data is backed-up. This firmware is compatible only with model number i9300.